Top C Development Companies in London
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List of the Best C Development Agencies and C Developers in London
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
6 Companies
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London
5.0 (4 Reviews)
53
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
53
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We help businesses in building web, app, software solutions, and adopting AI.
Probey Services is a renowned IT and digital solutions provider, powering innovation for startups, SMEs, and growing organizations worldwide. Headquartered in London, UK, with a strong presence in India and 11 global branches, we combine global reach with deep technical expertise. Our 320+ specialists have successfully delivered 1900+ projects over the last 10+ years, helping businesses scale with mobile app development, website design & development, enterprise software solutions, AI-powered digital marketing, branding, and social media management. We proudly serve 30+ industries, including retail, e-commerce, healthcare, fintech, education, travel, logistics, luxury, and more. Probey Services is rated as the #1 Tech Partner globally on Clutch, GoodFirms, and Trustpilot. We stand out for our system-driven execution, advanced tech stack, and client-first approach. Our Services We deliver end-to-end digital solutions that don’t just work, they win. Mobile Apps – iOS & Android (React Native, Flutter, Kotlin, Swift, Java). Websites – Fast, stunning, conversion-driven (Shopify, WordPress, Magento, Joomla, Wix, Umbraco). Custom Software – ERP, CRM, SaaS, and cloud platforms (React, Node.js, Angular, .NET, Python, PHP, Ruby, Java). Digital Marketing – AI-powered SEO, PPC, and performance campaigns (SEMrush, Ahrefs, Moz, Google Ads, Analytics). Branding – Logos, identity kits, merchandise, collaterals (Figma, Adobe Suite, CorelDRAW). Social Media – Strategy, UGC/CGC, influencer collabs (Instagram, LinkedIn, TikTok, YouTube, Pinterest). Awards & Recognition Proudly recognized worldwide: Top Mobile App Development Company – Clutch (2025) Best Web & Design Agency – DesignRush (2024) Global Leader – GoodFirms (2024) Top 10 IT Companies – G2 (2024) Excellence in Digital Innovation – AppFutura (2024) Clutch Global & Champion Badge (2023 & 2024) ISO-Certified Processes & 800+ Verified 5-Star Reviews Our Approach We keep it simple and human: Listen first – Your goals become ours. Build smart – AI, cloud, and modern tech stacks. Design for people – Experiences that users love. Stay transparent – Clear costs, clear timelines, no surprises. Deliver growth – More customers, more revenue, more brand love. Let’s Grow Together! Contact us today to discover how Probey can transform your digital presence.
See all 22+ Case Studies
Undisclosed/hr
$10+
250 - 320
London, UK
Verified Client Review
5.0 (3 Reviews)
33
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
33
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Digital Transformation Consultancy and Engineering
Intellectsoft is a website consultancy firm with the advanced transformation that has been helping worldwide companies and built-up established brands rethink their business by developing impactful digital programming solutions powered by the recent technologies. It is to guide enterprises to select adoption of new technologies, untangling the complex issues that always arise during digital development, and manage ongoing innovation.
See all 2+ Case Studies
$50-$99/hr
$50,000+
250 - 999
London, UK
Verified Client Review
Web & Mobile App Dev for Youth Marketing Agency
Reviewed by: Michele Featherston, Director of Project Management at Archrival View all 3 Reviews
0.0 (0 Reviews)
31
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
31
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Software and App Development Company
Mindrops is an AI and software engineering company helping organisations build, modernise and manage digital systems. Founded in 2018 and headquartered in New Delhi, India, with offices in the United Kingdom and Belgium, we serve startups, small and medium-sized businesses, enterprises and government organisations. We develop mobile applications, web platforms and enterprise software tailored to each organisation's operations and goals. Our capabilities span Android and iOS applications, cross-platform mobile apps, business websites, eCommerce platforms, customer portals, enterprise resource planning, customer relationship management and workflow automation. Our AI engineering services help organisations turn data into practical business capabilities, from conversational assistants and document processing to machine learning and computer vision. We integrate large language models with business systems and information sources, supported by cloud architecture, migration and managed environments on Amazon Web Services and Microsoft Azure. Mindrops is appraised at CMMI Level 3 and certified to ISO 9001 for quality management and ISO 27001 for information security. These credentials underpin a structured approach to delivery, quality and security. Our experience with enterprise and public sector organisations informs how we address complex requirements, documentation, compliance and auditability. From initial planning through development and ongoing support, we work with clients to define clear requirements, delivery timelines and costs.
See all 2+ Case Studies
Undisclosed/hr
$1,000+
51 - 200
London, UK
0.0 (0 Reviews)
29
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
29
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
AI is embedded in everything we do!
A Global AI-Powered Technology Partner helping Businesses Grow and Scale through End-to-End Digital Transformation. We partner with leading enterprises to drive revenue growth and solve complex, industry-specific challenges. Our software services encompass the full cycle of software development, from ideation to delivery to security and maintenance - our globally distributed team of expert talent is equipped to deliver future-ready solutions & proven results. ? Strategy Innovation: Creating transformational digital products (mobile & web) that combine customer experience, market opportunity, and emerging technology. Augmentation: Empowering your team with the technical talent and skills needed to accelerate development and build high-quality digital products - software development, QA/testing, data analytics, UX/UI, and product management. Modernization: Re-architecting legacy technology for better speed, scale, security, and user experience. Digitalization: Building intelligent digital solutions that automate manual and inefficient processes. ? Expertise Artificial Intelligence New Product Innovation Agile Development & QA Testing Enterprise Platform Implementation Strategy & Business Consulting Data & Security ? Artificial Intelligence Generative AI (Gen AI) Custom Models Data Science Machine Learning (ML) Computer Vision MLOps Large Language Learning (LLM) Natural Language Processing (NLP) ? Solutions Software Development (Web, Mobile, Data, Cloud) AI/ML Transformation User Experience (UX/UI) Data Analytics & Migration Quality Assurance Security & Compliance DevOps & SecOps QA Testing & Automation Business Process Automation Platform Integration (Salesforce, AWS, GCP, Azure, ServiceNow, Databricks, Appian, Microsoft and more) AI Platform Integration (Meta, Open AI, Google AI, Mistral AI, Dall.E, ultralytics, stability.ai, Langchain, LlamaIndex, Pinecone, Hugging Face and more)
View 10Pearls Profile
$25-$49/hr
$50,000+
1,000 - 2,000
London, UK
0.0 (0 Reviews)
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Crafted by humans and powered by AI
So-Creative is an award winning web design and development agency based in London. With a reputation for redefining digital experiences, they craft bespoke websites and cutting-edge software solutions that captivate audiences and deliver results. Their talented team combines creativity, collaboration, and advanced technology to help businesses develop memorable brands, generate leads, and achieve lasting success online. By offering streamlined, cost-effective processes, So-Creative is the trusted partner for businesses seeking to transform their digital presence and unlock growth through innovative design and technology. For over a decade, we’ve helped businesses innovate through technology. Today, we build AI-powered websites, bespoke software, mobile applications, automation systems and growth-focused marketing strategies designed for the AI-first era. We partner with organisations committed to creating genuine, long-term value. We believe the strongest businesses solve real problems, invest in innovation and build sustainable growth—not short-term wins. Our role is to provide the technology, strategy and expertise that help those organisations scale with confidence. As search evolves beyond traditional search engines, we help businesses adapt. Our websites and digital strategies are built to improve visibility across Google, AI Overviews, ChatGPT, Claude, Gemini, Perplexity and the next generation of AI-powered search platforms, helping brands generate qualified leads and stay ahead of the competition. From AI-ready websites and custom software to intelligent automations, AI integrations, scalable mobile applications and AI-powered marketing, every solution we build is designed to improve efficiency, enhance customer experience and deliver measurable commercial outcomes. Our services include: • AI-Ready Website Design & Development • Custom Software & SaaS Development • AI Automation & Systems Integration • Mobile App Development • Branding & Creative Design • SEO, AI Search Optimisation (GEO/AEO) & Content Strategy • Google Ads & Paid Social Marketing With a team across the UK, UAE and India, we combine strategic thinking, exceptional design and modern technology to help ambitious organisations prepare for the future of AI. Whether you’re launching a new venture, modernising legacy systems or transforming your organisation with AI, we build digital platforms that create lasting competitive advantage and sustainable business growth.
View So-Creative Group Profile
Undisclosed/hr
$50+
11 - 50
London, UK
5.0 (2 Reviews)
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We create web and mobile apps that stand out.
Based in Maribor, Slovenia, and London, UK, Equaleyes Solutions is a multi-award-winning software development firm. In addition to developing, managing, and maintaining web platforms with millions of monthly users, we also create mobile digital products. Equaleyes has a clear understanding of the situation: You want a development partner who will take the time and money to truly consider your project and assist you reach your product goals. Equaleyes will provide your vision with the passion, commitment, and attention it need to reach its full potential if it is one of boldness, loyalty, and greatness.
View Equaleyes Solutions Ltd. Profile
$50-$99/hr
$1,000+
10 - 49
London, UK
Verified Client Review
Used them for multiple projects - always deliver
Reviewed by: Zoe Peden, Founder at Iris Speaks View all 2 Reviews
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